Jonathan Scott Frakes is an American actor and director. Frakes is best known for his portrayal of Commander William T. Riker in the television series Star Trek: The Next Generation and subsequent films. Frakes also hosted the television series Beyond Belief: Fact or Fiction. In June 2011, Frakes narrated the History Channel documentary Lee and Grant. He was the voice for David Xanatos in the Disney television series Gargoyles.